When you first arrive on the server you are in PvP mode*. You can kill and be killed by other (default) PvP players, although it's nothing like the hardcore official servers - this is generally a chill, laid back environment.
If you really don't want to worry about being attacked at all you can switch to PvE mode. You will then be invincible to other players and you can't attack anyone. Animals, scientists, Bradley etc can all still harm you as usual.
Cram huge stacks of items into all types of container. Use ShiftRightClick to move the extra-large stacks. Note: applies to backpack but not main inventory.
/pm <name> <message> -- send a private message to player /r <message> -- reply to your most recent private message /pmhistory <name> -- show the previous 5 messages of PM with that player.
PM blocking:
/ignore add <name/steamid> -- block /ignore remove <name/steamid> -- unblock /ignore list -- list
The image will stretch to fit your frame, so make sure it's roughly the same shape.
If you want to display pics outside your base where others can see then please bear in mind that some squeakers play here so keep it clean-ish. If it's inside you can do what you like, and leave me emotionally scarred when I'm snooping around. I can't un-see these things you know!
Time Of Day
You can't always see the sun when it's overcast, so check the in-game time: